Whats 9×7 I need to know please and thank you

Mathematics

2 answers:

lana [24]3 years ago

6 0

The answer to 9×7 would be 63

tia_tia [17]3 years ago

5 0

9x7 is 63.

This is an easy way to do multiplication with the 9. Hold out both hands and let’s say we want to figure out what 9x5 is. Put down the 5th finger, there will be 4 fingers left on one hand and 5 fingers on the other. Your answer would be 45. For this problem, put down the 7th finger and you get 6 on one side and 3 on the other side.

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Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$